Home / 30,600.56-42,239.40-18,024.50

Finding the Fourth Proportional to 30,600.56, 42,239.40 and 18,024.50

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Solution

The fourth proportional to 30,600.56, 42,239.40 and 18,024.50 is: 24,880.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,600.56 : 42,239.40 = 18,024.50 : x
  2. Step 2: Convert to fraction form
    30,600.56/42,239.40 = 18,024.50/x
  3. Step 3: Cross multiply
    30,600.56x = 42,239.40 × 18,024.50
  4. Step 4: Simplify right side
    30,600.56x = 761,344,065.30
  5. Step 5: Solve for x
    x = 761,344,065.30/30,600.56
  6. Step 6: Final answer
    x = 24,880.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.